No
North was the communists the souyh capitalists.
It was never popular; it was unknown.
1955 to 1975
The ground war, in the Vietnam War, WAS FOUGHT in SOUTH VIETNAM. Therefore, South Vietnam entered the war from the very beginning...which is when it started in either the late 1950's or 1961, depending on what historical reference you are using.
In the beginning Ngo Dinh Diem, but they went throught many governments.
France
Our political liaisons supported a free election type government in South Vietnam from the beginning in 1955.
Yes.
Chad, Vietnam, and Algeria.
1955 to 1975
US sent in "advisors" somewhere around 1963